20123221302332 has 6 divisors (see below), whose sum is σ = 35215637279088. Its totient is φ = 10061610651164.

The previous prime is 20123221302307. The next prime is 20123221302343. The reversal of 20123221302332 is 23320312232102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515402662788 + ... + 2515402662795.

It is an arithmetic number, because the mean of its divisors is an integer number (5869272879848).

Almost surely, 2^{20123221302332} is an apocalyptic number.

It is an amenable number.

20123221302332 is a deficient number, since it is larger than the sum of its proper divisors (15092415976756).

20123221302332 is a wasteful number, since it uses less digits than its factorization.

20123221302332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030805325587 (or 5030805325585 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20123221302332 its reverse (23320312232102), we get a palindrome (43443533534434).

The spelling of 20123221302332 in words is "twenty trillion, one hundred twenty-three billion, two hundred twenty-one million, three hundred two thousand, three hundred thirty-two".